SoftwareGlimpse
Updated 2026-08-18

Slack alternatives

Approved substitutes for Slack from existing SoftwareGlimpse catalogue peers and editorial assessments. This is a job-fit list, not a ranked best-of.

Looking beyond

Slack logo

Slack

6.7/10

Channel-based team messaging platform — Free $0, Pro $7.25/user/month annual, Business+ $15, Enterprise+ contact sales; huddles for light video, not a phone system.

Read our full Slack review →

Best overall alternative

Microsoft Teams logo

Microsoft Teams

7.3/10

Microsoft Teams is a catalogue substitute when Organisations standardised on Microsoft 365 that need chat and meetings as the collaboration hub. Stay with Slack when Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub. Reasons come from approved editorial assessments — not a ranked best-of list.

See how we compare →

Best Slack alternatives

  • 1
    Microsoft Teams logo

    Microsoft Teams

    Best overall

    Microsoft Teams is a catalogue substitute when Organisations standardised on Microsoft 365 that need chat and meetings as the collaboration hub. Stay with Slack when Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub. Reasons come from approved editorial assessments — not a ranked best-of list.

    Best for
    Organisations standardised on Microsoft 365 that need chat and meetings as the collaboration hub
    Starting price
    See pricing
    View review
    Visit website
  • 2
    Zenzap logo

    Zenzap

    Zenzap is a catalogue substitute when Frontline, multi-site and shift-based teams replacing personal WhatsApp groups. Stay with Slack when Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub. Reasons come from approved editorial assessments — not a ranked best-of list.

    Best for
    Frontline, multi-site and shift-based teams replacing personal WhatsApp groups
    Starting price
    See pricing
    View review
    Visit website
  • 3
    Zoom logo

    Zoom

    Zoom is a catalogue substitute when Organisations already standardised on Zoom meetings that want to add Zoom Phone. Stay with Slack when Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub. Reasons come from approved editorial assessments — not a ranked best-of list.

    Best for
    Organisations already standardised on Zoom meetings that want to add Zoom Phone
    Starting price
    See pricing
    View review
    Visit website

Compare alternatives side by side

Some links may be affiliate links — we may earn a commission at no extra cost to you. Rankings and scores are never based on commission. Affiliate disclosure

Alternative details

Microsoft Teams

Microsoft Teams is a catalogue substitute when Organisations standardised on Microsoft 365 that need chat and meetings as the collaboration hub. Stay with Slack when Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub. Reasons come from approved editorial assessments — not a ranked best-of list.

Better when

  • Organisations standardised on Microsoft 365 that need chat and meetings as the collaboration hub
  • Enterprises that may add Teams Phone later for PSTN without changing collaboration vendors

Worse when

  • Buyers shortlisting a primary cloud phone / contact-centre system
  • Sales teams that need power dialer, SMS campaigns or WhatsApp Business

Key tradeoff: Microsoft Teams fits Organisations standardised on Microsoft 365 that need chat and meetings as the collaboration hub; Slack fits Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub.

Zenzap

Zenzap is a catalogue substitute when Frontline, multi-site and shift-based teams replacing personal WhatsApp groups. Stay with Slack when Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub. Reasons come from approved editorial assessments — not a ranked best-of list.

Better when

  • Frontline, multi-site and shift-based teams replacing personal WhatsApp groups
  • Regulated operators (healthcare, care providers) needing HIPAA compliance with a signed BAA

Worse when

  • Teams that need customer-facing calling, SMS or WhatsApp Business messaging
  • Buyers who require deep third-party integrations without moving to Business+

Key tradeoff: Zenzap fits Frontline, multi-site and shift-based teams replacing personal WhatsApp groups; Slack fits Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub.

Zoom

Zoom is a catalogue substitute when Organisations already standardised on Zoom meetings that want to add Zoom Phone. Stay with Slack when Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub. Reasons come from approved editorial assessments — not a ranked best-of list.

Better when

  • Organisations already standardised on Zoom meetings that want to add Zoom Phone
  • Hybrid teams that need video-first collaboration with optional cloud PBX

Worse when

  • Buyers who need WhatsApp Business or a shared customer inbox as a primary channel
  • Contact-centre teams that need RingCX/Support-class routing without add-ons

Key tradeoff: Zoom fits Organisations already standardised on Zoom meetings that want to add Zoom Phone; Slack fits Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub.

Editorial note

Stay on Slack when Knowledge-worker teams that need channel-based team messaging as the primary collaboration hub. Move to Microsoft Teams when Organisations standardised on Microsoft 365 that need chat and meetings as the collaboration hub. Move to Zenzap when Frontline, multi-site and shift-based teams replacing personal WhatsApp groups. Move to Zoom when Organisations already standardised on Zoom meetings that want to add Zoom Phone. Not a ranked best-of list — affiliate relationships never set the order.

How to choose a Slack alternative

  • Define your priorities

    List must-have workflows, team size, and budget before you fall for a feature checklist.

  • Compare your options

    Use the same criteria across products — and ignore affiliate status when you weigh fit.

  • Test before you decide

    Trial the shortlist with a real workflow. We only claim hands-on testing when it happened.

Affiliate disclosure: some links may be affiliate links. We may earn a commission at no extra cost to you. Rankings and scores are never based on commission. Full disclosure

Methodology disclosure: scores and recommendations follow SoftwareGlimpse evaluation criteria (version 1.0.0). Affiliate relationships do not determine rankings.

How we recommend: product claims are tied to recorded research where available.

AI-assisted disclosure: drafts may be AI-assisted from approved facts and assessments. Humans approve publishable editorial judgments. AI does not invent live prices or claim hands-on testing.

Editorial methodology · Affiliate disclosure

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